On Mon, 25 Aug 2025 11:27:19 -0700, Bart Van Assche wrote:
> If preparing a write bio fails then blk_zone_wplug_bio_work() calls
> bio_endio() with zwplug->lock held. If a device mapper driver is stacked
> on top of the zoned block device then this results in nested locking of
> zwplug->lock. The resulting lockdep complaint is a false positive
> because this is nested locking and not recursive locking. Suppress this
> false positive by calling blk_zone_wplug_bio_io_error() without holding
> zwplug->lock. This is safe because no code in
> blk_zone_wplug_bio_io_error() depends on zwplug->lock being held. This
> patch suppresses the following lockdep complaint:
>
> [...]
Applied, thanks!
[1/1] blk-zoned: Fix a lockdep complaint about recursive locking
commit: 198f36f902ec7e99b645382505f74b87a4523ed9
Best regards,
--
Jens Axboe
